FreeCalypso > hg > fc-sim-tools

annotate README @ 56:b9fc7022f9ac

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doc/Sysmocom-SIM-notes: update for current situation
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 22 Mar 2021 21:30:42 +0000
parents 0299c16f2ab1
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1 This code repository contains current versions of FreeCalypso SIM card
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2 manipulation utilities fc-simtool and fc-uicc-tool; the old versions which were
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3 previously maintained in freecalypso-hwlab and fc-pcsc-tools Hg repositories
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4 are now deprecated and no longer maintained.
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6 What are the tools?
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7 ===================
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8
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9 fc-simtool is the utility of primary interest. It speaks the classic GSM 11.11
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10 SIM protocol to the card (as opposed to the unwanted-innovation UICC protocol),
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11 and it is intended to be useful to end users of regular operator-issued SIM
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12 cards without admin privileges. High-level user-friendly commands include
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13 manipulating PINs and phonebooks; low-level commands allow you to SELECT any
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14 arbitrary file (MF/DF/EF) and to perform READ and UPDATE commands on any EF
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15 (BINARY or RECORD as appropriate) as the card will allow, given your access
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16 level. As the next level up in advanced functionality, if you are working with
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17 a programmable SIM (supported card models are our own FCSIM1 and Sysmocom
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18 webshop cards sysmoUSIM-SJS1 and sysmoISIM-SJA2), fc-simtool provides the
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19 necessary support for fully programming these SIMs.
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21 fc-uicc-tool is currently a very minimal tool for a few narrow use cases. It
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22 implements a small subset of fc-simtool commands (basic low-level ones), but
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23 speaking the new UICC protocol to the card - as well as new SELECT by AID
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24 commands that are only possible with this new protocol, granting access to ADFs
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25 for USIM and ISIM. The tool's only useful functions right now are (1) testing
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26 whether or not a given card has USIM/ISIM functionality present, and (2)
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27 manually exploring the file system under ADF.USIM or ADF.ISIM which cannot be
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28 accessed in any other way. fc-uicc-tool does NOT currently replicate any of
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29 the high-level end-user-oriented functionality of fc-simtool!
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31 Supported card access methods
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32 =============================
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34 fc-simtool and fc-uicc-tool are high-level protocol tools: they form command
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35 APDUs to be sent to the card, but they don't contain any hardware interfacing
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36 code - instead the job of actually accessing the card and exchanging APDUs with
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37 it is deferred to back end programs. Three card access back ends are included
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38 in the FC SIM tools package: one for pcsc-lite, one for serial SIM readers, and
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39 one for SIM cards inside Calypso GSM devices.